Patents by Inventor Christopher D. Roberts

Christopher D. Roberts has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Railcar uncoupling lever apparatus and methods of using the same
    Patent number: 12139180
    Abstract: Improved telescoping railcar uncoupling levers have improved bearings that resist damage. Moreover, the uncoupling levers include removable lock lifter linkage hooks. In addition, the uncoupling levers comprise an improved handle loop shape allowing the levers to be more easily installed and/or removed when damaged. Methods of using the same are further provided.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: November 12, 2024
    Assignee: Holland, L.P.
    Inventors: Paul Lindemulder, John B. Brewster, Christopher D. Roberts
  • Railcar Uncoupling Lever Apparatus and Methods of Using the Same
    Publication number: 20230159067
    Abstract: Improved telescoping railcar uncoupling levers have improved bearings that resist damage. Moreover, the uncoupling levers include removable lock lifter linkage hooks. In addition, the uncoupling levers comprise an improved handle loop shape allowing the levers to be more easily installed and/or removed when damaged. Methods of using the same are further provided.
    Type: Application
    Filed: November 22, 2022
    Publication date: May 25, 2023
    Inventors: Paul Lindemulder, John B. Brewster, Christopher D. Roberts
  • Integrated floating overmolded snap-ring and seal for a plastic fuel housing assembly
    Patent number: 8955899
    Abstract: A fuel housing assembly for a vehicle fuel system includes a rigid housing and, an inner seal assembly flexible body for sealing engagement with a fuel pipe and with a body panel of the vehicle. A rigid snap ring for attachment to the body panel is held by the flexible body.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: February 17, 2015
    Assignee: Illinois Tool Works Inc.
    Inventors: Simon J. Lorenc, Christopher D. Roberts
  • INTEGRATED FLOATING OVERMOLDED SNAP-RING AND SEAL FOR A PLASTIC FUEL HOUSING ASSEMBLY
    Publication number: 20130249235
    Abstract: A fuel housing assembly for a vehicle fuel system includes a rigid housing and, an inner seal assembly flexible body for sealing engagement with a fuel pipe and with a body panel of the vehicle. A rigid snap ring for attachment to the body panel is held by the flexible body.
    Type: Application
    Filed: October 25, 2011
    Publication date: September 26, 2013
    Applicant: ILLINOIS TOOL WORKS INC.
    Inventors: Simon J. Lorenc, Christopher D. Roberts
  • Nucleoside derivatives for treating hepatitis C virus infection
    Patent number: 7629328
    Abstract: Disclosed are methods for treating hepatitis C viral infections using deaza-purine compounds of Formula I: wherein W, W1, W2, Y, R1, Z, Y? and R are as defined herein.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: December 8, 2009
    Assignee: SmithKline Beecham Corporation
    Inventors: Christopher D. Roberts, Jesse Keicher, Natalia B. Dyatkina
  • Nucleoside derivatives for treating hepatitis C virus infection
    Patent number: 7629320
    Abstract: Disclosed are ?-D-ribofuranosyl-pyrazolo[3,4-d]pyrimidine compounds, compositions and methods for treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus. Representative compounds include those having the general formula.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: December 8, 2009
    Assignee: SmithKline Beecham Corporation
    Inventors: Natalia B. Dyatkina, Christopher D. Roberts
  • NUCLEOSIDE DERIVATIVES FOR TREATING HEPATITIS C VIRUS INFECTION
    Publication number: 20090036399
    Abstract: Disclosed are methods for treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus. Such compounds are represented by Formula I as follows: wherein W, W1, W2, Y, R1, Z, Y? and R are as defined herein.
    Type: Application
    Filed: September 8, 2008
    Publication date: February 5, 2009
    Inventors: Christopher D. Roberts, Jesse Keicher, Natalia B. Dyatkina
  • NITROGEN-CONTAINING HETEROARYL DERIVATIVES
    Publication number: 20080247992
    Abstract: Disclosed are compounds, compositions and methods for treating Flaviviridae family virus infections.
    Type: Application
    Filed: October 24, 2007
    Publication date: October 9, 2008
    Inventors: Christopher D. Roberts, Dong-Fang Shi, Ronald C. Griffith
  • Nucleoside derivatives for treating Hepatitis C virus infection
    Patent number: 7432248
    Abstract: Disclosed are compounds, compositions and methods for treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus. Such compounds are represented by Formula I as follows: wherein W, W1, W2, Y, R1, Z, Y? and R are as defined herein.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: October 7, 2008
    Assignee: Genelabs Technologies, Inc.
    Inventors: Christopher D. Roberts, Jesse Keicher, Natalia B. Dyatkina
  • 5-nitro-nucleoside compounds for treating viral infections
    Patent number: 7414031
    Abstract: Disclosed are compounds, compositions and methods for treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus.
    Type: Grant
    Filed: November 15, 2005
    Date of Patent: August 19, 2008
    Assignee: Genelabs Technologies, Inc.
    Inventors: Jesse D. Keicher, Christopher D. Roberts, Natalia B. Dyatkina
  • Nucleoside compounds for treating viral infections
    Patent number: 7405204
    Abstract: Disclosed are compounds, compositions and methods for treating viral infections caused by a Flaviviridae family virus, such as hepatitis C virus.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: July 29, 2008
    Assignee: Genelabs Technologies, Inc.
    Inventors: Christopher D. Roberts, Ronald Conrad Griffith, Natalia B. Dyatkina, Marija Prhavc
  • Nitrogen-containing heteroaryl derivatives
    Patent number: 7304085
    Abstract: Disclosed are compounds, compositions and methods for treating Flaviviridae family virus infections.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: December 4, 2007
    Assignee: Genelabs Technologies, Inc.
    Inventors: Christopher D. Roberts, Dong-Fang Shi, Ronald C. Griffith
  • Nucleoside compounds for treating viral infections
    Patent number: 7244713
    Abstract: Disclosed are compounds, compositions and methods for treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus. Such compounds are represented by Formula I as follows: wherein, T, Y, W, W1 and W2 are as defined herein.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: July 17, 2007
    Assignee: Genelabs Technologies, Inc.
    Inventors: Christopher D. Roberts, Jesse D. Keicher, Natalia B. Dyatkina
  • Nucleoside compounds for treating viral infections
    Patent number: 7202223
    Abstract: Disclosed are compounds, compositions and methods for treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus. Such compounds are represented by Formula I as follows: wherein, each of R, Y, W, W1 and W2 are as defined herein.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: April 10, 2007
    Assignee: Genelabs Technologies, Inc.
    Inventors: Christopher D. Roberts, Jesse D. Keicher
  • Methods for preparing 7-(2?-substituted-?-D-ribofuranosyl)-4-(NRR)-5-(substituted ethyn-1-yl)-pyrrolo[2,3-d]pyrimidine derivatives
    Patent number: 7169918
    Abstract: Disclosed are methods and intermediates for the preparation of 7-(2?-R1-substituted-?-D-ribofuranosyl)-4-amino-5-(optionally substituted ethyn-1-yl)-pyrrolo[2,3-d]pyrimidine compounds. These compounds are useful in treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus. Such 7-(2?-substituted-?-D-ribofuranosyl)-4-amino-5-(optionally substituted ethyn-1-yl)-pyrrolo[2,3-d]pyrimidine compounds are represented by Formula I as follows: wherein, each of R1, R2, and R3 are as defined herein.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: January 30, 2007
    Assignee: Genelabs Technologies, Inc.
    Inventors: Christopher D. Roberts, Jesse D. Keicher, Natalia B. Dyatkina
  • Nucleoside compounds for treating viral infections
    Patent number: 7157434
    Abstract: Disclosed are compounds, compositions and methods for treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus. Such compounds are represented by Formula I as follows: wherein, Y, W, W1 and W2 are as defined herein.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: January 2, 2007
    Assignee: Genelabs Technologies, Inc.
    Inventors: Jesse D. Keicher, Christopher D. Roberts, Natalia B. Dyatkina
  • Nucleoside compounds for treating viral infections
    Patent number: 7151089
    Abstract: Disclosed are compounds, compositions and methods for treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus. Such compounds are represented by Formula I as follows: wherein, R, Y, W, W1 and W2 are as defined herein.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: December 19, 2006
    Assignee: Genelabs Technologies, Inc.
    Inventors: Christopher D. Roberts, Jesse D. Keicher
  • Nucleoside compounds for treating viral infections
    Patent number: 7144868
    Abstract: Disclosed are compounds, compositions and methods for treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus. Such compounds are represented by Formula I as follows: wherein, each of R, Y, W, W1 and W2 is as defined herein.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: December 5, 2006
    Assignee: Genelabs Technologies, Inc.
    Inventors: Christopher D. Roberts, Jesse D. Keicher
  • Nucleoside derivatives for treating hepatitis C virus infection
    Patent number: 7094768
    Abstract: Disclosed are 6-hydroxyamino- or a 6-alkoxyamino-7-deazapurine-ribofuranose derivatives, salts, pharmaceutical compositions, and methods of use thereof for treating viral infections caused by a flaviviridae family virus, such as hepatitis C virus.
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: August 22, 2006
    Assignee: Genelabs Technologies, Inc.
    Inventors: Christopher D. Roberts, Jesse Keicher, Natalia B. Dyatkina